mayhew



0. F. MAYHEW.

\ Fruit Dryer.

Patented SepLQl, 1869,.

@stent ctiiiirc.

OSCAR "F.MAYHEW, or INDIANAPOLIS, INDIANA.

` y Letters Patent No. 94,967, dated September 21,-` 1869.

` 'The Schedule referred to' ln these Letters Patent and making partobthe same.

To all whom 'it' may concern I y Beit known thatI, OSCAR F. MAYHEW, ofIndianapolis, in the county of Marion, and State of Indiana, haveinvented newand useful Improvements in Room, Water, and Iron-Heaters,and Clothes and Fruit-Driers; and I do hereby declare that the'followlngis a full, clear, and exact description thereof, that will enableskilled artisans to make and use the same, reference being had to theaccompanying drawing, and to the letters of reference markedthereonmaking part of this specification.

. This invention relates to construction of a portable drying-case, orchamber, yand to the arrangement, of a heating-apparatus therein, thewhole being designed' and adapted tothe purposes of heating rooms,water, and sad-irons, and to dryingV fruit, clothes, and other similararticles, with a viewto eiiiciency of operation, economy of fuel, andcdmpactness and. cheapness of construction. j

Fgure 1 is vertical longitudinal section on line xy,

Figure 2 is a horizontal section on line u c, fig. 1. Similarv lettersof reference `indicate corresponding parts in the-several gures.` v I Ais the external` case, the endsand topof which are made double, formingan` air-space by the line B, on'the inside, as shown.` j

VAccess is had to the. caseby doors hung in the iront iside. These doorsare `not shown in the drawing.

'.lhe oor of .the drier is made of sheet-metal, and

y on this the heating-apparatus, consisting of the firechamber l@,pipelor iiue D, return-chamber E, and water-back or chamber F, is situated.

To prevent the heating-apparatus lfrom igniting the 'wooden case, andalso atthe same time to bring the fresh air into close connection withit, so that the air will be 4sufficiently 4heated for the-variouspurposes required, as it iinds ingress `into the case, theYheatingvapparatus is encased on the sides and rear end with a sheet-ironjacket, J, and surmounted by a deilectingplate or cover, K, the latterbeingsetabove the jacket suiciently to allow the heated'air to escapefrom the heating-chamber into the drying-chamber, and in order t'oretain the'ail" in contact with the heating-device to v some extent, the`upper edge of the sheet-iron jacket J is bent inward, ,to direct theair in contact with the heating-device, and the outer edges of the coveror deiiecting-plate K, are bent downward to prevent its too rapidescape. 1 i v The dei'lecting-plate has an opening,'furnislied with ashutter at N, over thetop of the stove, to afford access thereto forheating sad-irons.

The object of making thereturn-chamber a pai-tof the stove, andseparating it from the Afire-chamber by athi-n partition, is,that theescaping products of combustion may receive additional heat at thispoint, thereby' insuring a better draught and circulation through thehorizontal pipes D. v i

This arrangement of the heating-apparatus is also economical of fuel, asit aii'ords alarge amount of heating-surface.

In order to retain the heated air in the drying-chamber until it hasabsorbed from the-fruit or other articles placed therein, all themoisture that it is susceptible of, I have provided for downwardventilation of the chamber by making theencls and top of the casedouble, thus formingan air-space or` duct into which vthe air escapesfrom the chamber through openings at the bottom oi the inside liningB,and in order to insure this ventilation of the case, I connect theairspace thus formedjby means of a pipe, I, with an enlarged pipe, H,that surrounds the smoke-pipe G, the enlarged pipe H being closed at thebottom, and forniing a chamber `around the smoke-pipe that becomesheated by the escaping smoke, and thus creates an upward current of airin the space formed by lining the'top and ends of the case.

Direct upward escape of the air from the case is provided for byopenings in the lining B, at or near the top of. the ends, that are-covered vby. slides L, either or both of which may be 'opened more orless, at pleasure.

The water-heating chamber F, is similar to the water-backsfrequntlyplaced in cooking and other stoves, for heating water in aseparate tank situated .at-.anyA convenient place,'and like them, is tobeconnected with the tank by means of two pipes, the 'upper one orflow-pipe being situated near the top, and the lower or return-pipe nearthe bottom of chamber F, for the purpose of heating Water for-washingandfor other purposes.

.It will be seen that the arrangement of the 'apparatus for heating theair as it ascends into the chamber formed by the casing- J K,surrounding and covering `the'pstove O E, and pipe l), through theperforations in the sheet-iron bottom M, combined with the waterheatingchamber-F, Iand the drying-chamber, provide in a compact andcomparatively inexpensive manner, a complete device for warming theroomin which it may be situated, heating water for washing and otherpurposes, heating sad-irons, and drying clothes, fruit,

c. e When used for warming rooms, the doors of the ease are to be leftopen, but the room maybe warmed simultaneously with drying clothes orfruit, -as the heated air ofthe case mayescape into Lthe room by ,I

1. The heating-appratus, composed of the chamhers O, Ejand F, and pipeD, oase J K, and perfo' rated oor M, all. constructed and arrangedsubstan'- tially as and for the purpose set forth. A

2. The drying-chamber, constructed with the double ends and top,constituting the vertiduct @arranged for downward ventilation, when saidvertiduct is connected by pipe I, 'with the heated chamber formed bysurrounding the smoke-pipe G with a jacket, H, and combined with theheating-device specified in the first claim, all arranged and operatingsubstantially as set forth.

O. F. MAYHEW. Witnessesz' WM. H. WEEKS, E. T. Cox.

